%0 Journal Article
%A D. I. Petrov
%T Conditions for the applicability of the method of harmonic balance
%J Doklady Akademii Nauk
%D 1990
%P 553-556
%V 311
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1990_311_3_a8/
%G ru
%F DAN_1990_311_3_a8